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One hole of a polarization maintain photonic crystal fiber has been selectively infiltrated with liquid crystal. The temperature responding is study and a special property is found near clear temperature of the liquid crystal.
A microfluidic assistant microstructured optical fiber beat-frequency interferometer is proposed and investigated. The interferometer is well controlled by the microfluidic with sensitivity-enhanced envelope and insensitive carrier. The device allows for applications in multi-parameter sensing.
A high sensitivity temperature sensor based on a Sagnac interferometer consisting of a segment of selectively liquid-filled photonic crystal fiber (SLF-PCF) is proposed and demonstrated. The SLF-PCF is achieved by the high frequency CO2 laser and possesses unique birefringence feature. Numerical and experimental results are presented, and a high sensitivity temperature sensor with sensitivity of ∼−11...
We proposed and demonstrated a tunable single-polarization single-mode photonic crystal fiber (SPSM-PCF) based on selectively infiltrating liquid into air holes of high birefringence photonic crystal fiber (HB-PCF). A full-vector finite-element method (FEM) is used to analyze the SPSM operation range and its tunable characteristics. The starting wavelength of the SPSM operation range can be widely...
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